1. This electric heating insole has 3 temperature adjustable (40/50/55 degrees Celsius), which is the best choice for keeping your feet warm in winter.
2. Built-in 2100mAh lithium battery with strong battery life and convenient charging.
3. With remote control, it is easy to control the electric heating insole, and the operation is simple.
4. This product has CE, ROHS, FCC, UL, UN38.3 and MSDS certification report for batteries.
Note: Please do not wash this insole in water.